Pocket Watch Database

From the American Horology Archive:
Hamilton Grade 990 Pocket Watch

Hamilton Watch Co.

Grade: 990

Manufacturer: Hamilton
Manufacturer Location: Lancaster, Pennsylvania
Movement Serial Number: 356183
Grade: 990
Model: 1
Estimated Production Year: 1910
Run Quantity: 500
Grade/Model Run: 12 of 39
Grade/Model Total Production: 12,599
Size: 16s
Jewels: 21j
Jewel Material: Ruby & Sapphire
Jewel Setting: Gold Settings (Screw-Set)
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: Going
Regulator: Reed
Hairspring: Breguet
Pallet Jewel Material: Sapphire
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Dial Feet Locations: 7.6, 21.8, 38.0, 50.5
Hamilton 16s Dial Feet Research
Data Research: 1953 Hamilton Serial List
Case: Various
Run ID: 806.990G12.16S358.161M326.O426.L472.21J184
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
37.93
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
16.64
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.118%
Registry Population: 12 (2.40%)
$ Estimated Value (12 Month Change): 4.23% Analyzing 201 Sales

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


Anonymous · September 4, 2019

Serial Number 356229 was reported as accurate.

Anonymous · May 11, 2019

Serial Number 356224 was reported as accurate.

Anonymous · February 16, 2017

Serial Number 356285 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · December 14, 2015

Serial Number 356219 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · November 19, 2014

Serial Number 356306 was reported as accurate.

Changes since this report was submitted:
Double Roller changed from Yes to No

Anonymous · May 31, 2013

Serial Number 356476 was reported as accurate.

Anonymous · May 31, 2013

Serial Number 356476 was reported as accurate.

Anonymous · February 5, 2013

Serial Number 356476 was reported as accurate.

Anonymous · September 9, 2012

Serial Number 356113 was reported as accurate.

Hamilton Grade 990 Pocket Watch